diff --git a/src/commonMain/kotlin/dev/inmo/krontab/utils/flows/Filters.kt b/src/commonMain/kotlin/dev/inmo/krontab/utils/flows/DateTimeFilters.kt
similarity index 100%
rename from src/commonMain/kotlin/dev/inmo/krontab/utils/flows/Filters.kt
rename to src/commonMain/kotlin/dev/inmo/krontab/utils/flows/DateTimeFilters.kt
diff --git a/src/commonMain/kotlin/dev/inmo/krontab/utils/flows/DateTimeTzFilters.kt b/src/commonMain/kotlin/dev/inmo/krontab/utils/flows/DateTimeTzFilters.kt
new file mode 100644
index 0000000..e259ca0
--- /dev/null
+++ b/src/commonMain/kotlin/dev/inmo/krontab/utils/flows/DateTimeTzFilters.kt
@@ -0,0 +1,34 @@
+package dev.inmo.krontab.utils.flows
+
+import com.soywiz.klock.*
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.filter
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.filterSeconds(vararg seconds: Int) = filter { it.seconds in seconds }
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.filterMinutes(vararg minutes: Int) = filter { it.minutes in minutes }
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.filterHours(vararg hours: Int) = filter { it.hours in hours }
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.filterDaysOfMonths(vararg daysOfMonths: Int) = filter { it.dayOfMonth in daysOfMonths }
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.filterMonths(vararg months: Month) = filter { it.month in months }
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.filterMonths0(vararg months: Int) = filter { it.month0 in months }
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.filterMonths1(vararg months: Int) = filter { it.month1 in months }
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.filterYears(year: Year) = filter { it.year == year }
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.filterYears(vararg years: Int) = filter { it.yearInt in years }
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.filterWeekDays(vararg weekDays: DayOfWeek) = filter { it.dayOfWeek in weekDays }
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.filterWeekDays(vararg weekDays: Int) = filter { it.dayOfWeekInt in weekDays }
diff --git a/src/commonMain/kotlin/dev/inmo/krontab/utils/flows/When.kt b/src/commonMain/kotlin/dev/inmo/krontab/utils/flows/DateTimeTzWhen.kt
similarity index 100%
rename from src/commonMain/kotlin/dev/inmo/krontab/utils/flows/When.kt
rename to src/commonMain/kotlin/dev/inmo/krontab/utils/flows/DateTimeTzWhen.kt
diff --git a/src/commonMain/kotlin/dev/inmo/krontab/utils/flows/DateTimeWhen.kt b/src/commonMain/kotlin/dev/inmo/krontab/utils/flows/DateTimeWhen.kt
new file mode 100644
index 0000000..9867254
--- /dev/null
+++ b/src/commonMain/kotlin/dev/inmo/krontab/utils/flows/DateTimeWhen.kt
@@ -0,0 +1,25 @@
+package dev.inmo.krontab.utils.flows
+
+import com.soywiz.klock.*
+import kotlinx.coroutines.flow.Flow
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.onlyStartsOfMinutes() = filterSeconds(0)
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.onlyStartsOfHours() = filterMinutes(0).onlyStartsOfMinutes()
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.onlyStartsOfDays() = filterHours(0).onlyStartsOfHours()
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.onlyStartsOfMondays() = filterWeekDays(DayOfWeek.Monday).onlyStartsOfDays()
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.onlyStartsOfSundays() = filterWeekDays(DayOfWeek.Sunday).onlyStartsOfDays()
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.onlyStartsOfMonths() = filterDaysOfMonths(1).onlyStartsOfDays()
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Flow<DateTimeTz>.onlyStartsOfYears() = filterMonths(Month.January).onlyStartsOfMonths()